<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<!-- 开发环境版本，包含了有帮助的命令行警告 -->
		<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
	</head>
	<body>
		<div id="app">
			{{ msg }}			
		</div>
		<script type="text/javascript">
			var vm=new Vue({
				el:'#app',
				data:{
					msg:'hello world'
				}
			});
			
			var old={"msg":"hello1"};
			console.log(old.msg);
			window.location.pathname
		</script>
	</body>
</html>
